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koban [17]
3 years ago
10

Consider the table representing an exponential function.

Mathematics
1 answer:
Gnesinka [82]3 years ago
8 0

Answer: f(x) is just a fancy way of writing y in an equation

Step-by-step explanation:

Example: f(x)= 2x+4 is the same as y= 2x+4

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A researcher has two percentages and wants to know if the percentages are statistically different. The researcher calculates the
love history [14]

Answer:

p_v =2*P(Z>4.21) =2.55x10^{-5}

And we can use the following excel code to find it:"=2*(1-NORM.DIST(4.21,0,1,TRUE)) "

With the p value obtained and using the significance level assumed for example\alpha=0.05 we have p_v so we can conclude that we have enough evidence to reject the null hypothesis, and we can said that at 5% of significance the percentage 1 is significantly different from the percentage 2.

D) Are statistically different.

Step-by-step explanation:

The system of hypothesis on this case are:  

Null hypothesis: \mu_1 = \mu_2  

Alternative hypothesis: \mu_1 \neq \mu_2  

Or equivalently:  

Null hypothesis: \mu_1 - \mu_2 = 0  

Alternative hypothesis: \mu_1 -\mu_2\neq 0  

Where \mu_1 and \mu_2 represent the percentages that we want to test on this case.

The statistic calculated is on this case was Z=4.21. Since we are conducting a two tailed test the p value can be founded on this way.

p_v =2*P(Z>4.21) =2.55x10^{-5}

And we can use the following excel code to find it:"=2*(1-NORM.DIST(4.21,0,1,TRUE)) "

With the p value obtained and using the significance level assumed for example\alpha=0.05 we have p_v so we can conclude that we have enough evidence to reject the null hypothesis, and we can said that at 5% of significance the percentage 1 is significantly different from the percentage 2.

And the best option on this case would be:

 D) Are statistically different.

4 0
3 years ago
Someone answer this plzzz​
Zolol [24]

Which one?

       / \

         l

<-------l------->

|            |

Y           Z    

They are now congruent.

Sorry!

It's pretty bad.

5 0
3 years ago
Sally spent a long time searching for the perfect tree. She could look in 6 stores in 45 minutes. If she shopped for 2 hours, ho
mart [117]

Answer:

24

Step-by-step explanation:

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3 years ago
MATH HELP PLZZ!! MARKING BRAINLIEST!!!
dimaraw [331]

Answer:

1 1/2 y

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
7y - 9 = 3y + 19<br> a. 7<br> b. -4<br> C.<br> -7<br> d. 4
andreev551 [17]
The answer is A. 7
so y=7
6 0
2 years ago
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